BoilerFaultCodes E9224 High
Boiler Fault Code E9224
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E9224 appears across 1 boiler brand and 3 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has shut down because a safety sensor has detected that the system is overheating or the sensor itself has a loose connection. (As reported on Worcester Bosch GB162)
Pick your boiler brand for the E9224 fix
Source
Information for the E9224 fault code is sourced from the official service / installation manual for each model that displays it. Read more about how we source fault codes →
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026